c-- ccc cce cch ccl ccn ccs ce- cec cee ceh cel cen ces ch- chc che chh chl chn chs cl- clc cle clh cll cln cls cn- cnc cne cnh cnl cnn cns csc cse csh csl csn css ec- ecc ece ech ecl ecn ecs eec eee eel een ees ehc ehe ehh ehl ehn ehs elc ele elh ell eln els en- enc ene enh enl enn ens es- esc ese esh esl esn ess hcc hce hch hcl hcn hcs he- hec hee heh hel hen hes hhc hhe hhh hhl hhn hhs hlc hle hlh hll hln hls hnc hne hnh hnl hnn hns hsc hse hsh hsl hsn hss lcc lce lch lcl lcn lcs lec lee leh lel len les lhc lhh lhs llc lle lll lln lls lnc lne lnh lnl lnn lns lsc lse lsh lsl lsn lss ncc nce nch ncl ncn ncs ne- nec nee neh nel nen nes nhc nhe nhh nhl nhn nhs nlc nle nlh nll nln nls nnc nne nnh nnl nnn nns nsc nse nsh nsl nsn nss scc sce sch scl scn scs se- sec see seh sel sen ses sh- shc she shh shl shn shs slc sle slh sll sln sls snc sne snl snn sns ss- ssc sse ssh ssl ssn sss